A2ASearch MCP Server

10,752 AI agents, MCP servers, CLI tools and agent skills — searchable in seconds from Claude, Cursor, or any MCP client.

The only unified search engine for the AI agent ecosystem. One package. Every major MCP server, CLI tool, coding agent, and agent skill — indexed and searchable.

npx -y -p a2asearch-mcp a2asearch playwright
# → Finds playwright MCP server, CLI tools, related agents

Why A2ASearch?

The MCP/agent ecosystem is exploding. There are now thousands of tools across GitHub, npm, and various registries — and no single place to find them. A2ASearch indexes them all:

No auth needed. No API key. Free.

Installation

Requires Node.js 22 or newer (Node.js 24 LTS recommended).

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "a2asearch": {
      "command": "npx",
      "args": ["-y", "a2asearch-mcp"]
    }
  }
}

Cursor

Add to .cursor/mcp.json:

{
  "mcpServers": {
    "a2asearch": {
      "command": "npx",
      "args": ["-y", "a2asearch-mcp"]
    }
  }
}

Windsurf

Add to ~/.codeium/windsurf/mcp_config.json:

{
  "mcpServers": {
    "a2asearch": {
      "command": "npx",
      "args": ["-y", "a2asearch-mcp"]
    }
  }
}

Cline / Continue / OpenClaw

Same format — add to your MCP config file:

{
  "mcpServers": {
    "a2asearch": {
      "command": "npx",
      "args": ["-y", "a2asearch-mcp"]
    }
  }
}

MCP Tools

search_agents

Search across the full directory by keyword.

"Find MCP servers for browser automation"
"Search for AI agents that can do web research"
"Find CLI tools for working with LLMs"

get_agent

Get full details for a specific agent including README, capabilities, stars.

"Get details for playwright"
"Tell me about claude-code"
"Show me the mem0 agent"

list_agents

Browse top agents by type and sort order.

"List the top MCP servers by stars"
"Show me the newest AI coding agents"
"What are the top agent skills?"

Example Prompts

Once installed, ask your AI assistant:

"Search for MCP servers that can help me work with databases"

"What are the most popular AI coding agents right now?"

"Find agent skills for web browsing"

"Is there an MCP server for Notion?"

"Get full details on the ollama agent"

CLI Usage

Don't need the MCP server? Use the CLI directly:

# Install globally
npm install -g a2asearch-mcp

# Search by keyword
a2asearch playwright
a2asearch "web scraping"
a2asearch database

# Filter by type
a2asearch --type mcp database
a2asearch --type skill web-browsing
a2asearch --type cli llm
a2asearch --type agent coding

# Top agents by stars
a2asearch --type mcp --top
a2asearch --type agent --top

# Get full details
a2asearch --get ollama
a2asearch --get playwright

# Newest additions
a2asearch --new

Or without installing:

npx -y -p a2asearch-mcp a2asearch playwright
npx -y -p a2asearch-mcp a2asearch --type mcp database
npx -y -p a2asearch-mcp a2asearch --get ollama

Agent Types

REST API

The MCP server wraps the free A2ASearch REST API. Use it directly if you prefer:

# Search
curl "https://a2asearch.ai/api/v1/agents?q=playwright"

# Get by slug
curl "https://a2asearch.ai/api/v1/agent/playwright"

# List by type
curl "https://a2asearch.ai/api/v1/agents?type=MCP+Server&sort=stars"

No authentication required.

Submit a Tool

Know a tool that's missing? Submit it →

The index is community-maintained. Submissions are reviewed and added within 24–48 hours.

Links

• 🌐 a2asearch.ai — browse the full directory
• 📦 npm
• 🐛 Issues

License

MIT

Development

npm ci
npm run check
npm test

Tests cover MCP initialization and tool calls, input validation, API errors and timeouts, and both CLI entry points. Requests time out after 15 seconds; result limits must be integers from 1 to 20.